S
M
T
W
T
F
S
26
62°
40°
27
73°
39°
28
60°
42°
29
59°
49°
30
56°
43°
1
60°
38°
2
53°
41°
3
59°
37°
4
69°
52°
5
76°
55°
6
63°
42°
7
55°
39°
8
56°
41°
9
52°
39°
10
56°
42°
11
58°
40°
12
59°
41°
13
59°
44°
14
62°
45°
15
57°
43°
16
62°
43°
17
66°
44°
18
71°
48°
19
66°
45°
20
70°
49°
21
69°
48°
22
70°
43°
23
63°
41°
24
62°
42°
25
63°
43°
26
64°
43°
27
65°
44°
28
64°
43°
29
65°
43°
30
64°
44°
31
66°
52°
1
67°
46°
2
66°
45°
3
67°
51°
4
69°
51°
5
68°
47°
6
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carbondale
Carbondale's May 2026 forecast shows daily high temperatures ranging from 52° to 76°, with overnight lows between 39° and 55°. The average high for May is 64° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Carbondale. See also: June | July | August.
